See also:

Swapping the telephone and additional telephone
The function of the telephone and additional telephone can be swapped automatically. 1. "Telephone". 2. "Bluetooth® (phone)". 3. "Swap phone/addit. phone" ...

Office
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Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...